Features
- Variable pulleys must be opened 2.5 to 5 full turns, depending on air resistance, or motor will over heat
- 5/8 in bore
More Specifications
- Bore Diameter: 1/2 in
- Keyway Size: 5/8 in
- Material: Zinc
- Outside Diameter: 3-1/4 in
- Suitable for: Evaporative Cooler Purge Systems